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Digital Electronics

Digital Electronics
ASCII code is a

 5-bit code
 8-bit code
 7-bit code
 10-bit code

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Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 1024
 65536
 32
 16

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Digital Electronics
Which of the following BCD codes with an odd parity bit included in the end of code group, have error in the code? (I)1001010110000 (II)0100011101100 (III)0111110000011 (IV)1000011000101

 Both (I)&(IV)
 Both (I) & (II)
 Both (II)&(III)
 Only (II)

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Digital Electronics
A combinational circuit can be designed using only

 OR gates
 OR and X-NOR gates
 NOR gates
 AND gates

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 1’s complement is used to represent the numbers, then the range will be

 -256 to 255
 -128 to 127
 -256 to 256
 -127 to 127

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Digital Electronics
The process of entering information in EPROM is commonly known as

None of these
 writing
 programming
 storing

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